content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.impl.consumers;
  
  import hu.akarnokd.reactive4javaflow.FolyamPlugins;
  
  public final class BlockingFirstConsumer<T> extends AbstractBlockingConsumer<T> {
      @Override
      public void onNext(T item) {
          if (getCount() != 0) {
              this.item = item;
              cancel();
              countDown();
          }
      }
  
      @Override
      public void onError(Throwable throwable) {
          if (getCount() != 0) {
              this.error = throwable;
              countDown();
          } else {
              FolyamPlugins.onError(throwable);
          }
      }
  
      @Override
      public void onComplete() {
          countDown();
      }
  }
  